y this company, covers every form of apparatus, Agriculture, Horticulture, Natural History, ete. including Microphones or Carbon Tel ephones, in which Oesterlein & Bernhardt, Cincinnati, O. the voice of the speaker causes electric undulatiors All Classes of Readers find in the Scren- corresponding… … AIMERICAN BELL TELEPHONE COMPANY, Imported and forsale by 95 Milk Street, Boston, Mass. This is a distinct pa iper from the SCIENTIFIC inall Parts of the British dominion, and in other ‘UPRIGHT DRILLS 167=60 INCHSWING. THE §. 8. WHITE DENTAL MPG C0. AMERICAN, and is issued weekly. Every number…
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